[data-animate="fade-up"] {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-animate="fade-up"].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade-left"] {
  opacity: 0;
  transform: translateX(36px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-animate="fade-left"].is-visible {
  opacity: 1;
  transform: translateX(0);
}

[data-animate="scale-in"] {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
}
[data-animate="scale-in"].is-visible {
  opacity: 1;
  transform: scale(1);
}

.stagger-container > .card {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.stagger-container.is-visible > .card:nth-child(1) { opacity:1; transform:none; transition-delay:0s; }
.stagger-container.is-visible > .card:nth-child(2) { opacity:1; transform:none; transition-delay:0.1s; }
.stagger-container.is-visible > .card:nth-child(3) { opacity:1; transform:none; transition-delay:0.2s; }
.stagger-container.is-visible > .card:nth-child(4) { opacity:1; transform:none; transition-delay:0.3s; }
.stagger-container.is-visible > .card:nth-child(5) { opacity:1; transform:none; transition-delay:0.4s; }
.stagger-container.is-visible > .card:nth-child(6) { opacity:1; transform:none; transition-delay:0.5s; }

.scheme-node {
  opacity: 0;
  transform: scale(0.82);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.scheme-node.is-visible { opacity: 1; transform: scale(1); }
.scheme-node:nth-child(1)  { transition-delay: 0s; }
.scheme-node:nth-child(3)  { transition-delay: 0.1s; }
.scheme-node:nth-child(5)  { transition-delay: 0.2s; }
.scheme-node:nth-child(7)  { transition-delay: 0.3s; }
.scheme-node:nth-child(9)  { transition-delay: 0.4s; }
.scheme-node:nth-child(11) { transition-delay: 0.5s; }
.scheme-node:nth-child(13) { transition-delay: 0.6s; }

.scheme-arrow {
  opacity: 0;
  transition: opacity 0.3s ease;
}
.scheme-arrow.is-visible { opacity: 1; }
.scheme-arrow:nth-child(2)  { transition-delay: 0.15s; }
.scheme-arrow:nth-child(4)  { transition-delay: 0.25s; }
.scheme-arrow:nth-child(6)  { transition-delay: 0.35s; }
.scheme-arrow:nth-child(8)  { transition-delay: 0.45s; }
.scheme-arrow:nth-child(10) { transition-delay: 0.55s; }
.scheme-arrow:nth-child(12) { transition-delay: 0.65s; }

.card {
  position: relative;
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
}
.card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-lg);
}
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.card:hover::before {
  transform: scaleX(1);
}

.btn-primary {
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 28px rgba(37,99,235,0.38);
  background: var(--accent-dark);
}

.btn-secondary {
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.btn-secondary:hover {
  transform: translateY(-2px);
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}
.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse-status {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.status-online {
  animation: pulse-status 2s infinite;
  color: #10B981;
}

.faq-item summary,
.faq-toggle {
  outline: none !important;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  list-style: none;
  cursor: pointer;
}

.faq-toggle::-webkit-details-marker { display: none; }
.faq-toggle:focus-visible { outline: none; }

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-toggle::after {
  content: '';
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--surface-2);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2364748B'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  transition: transform 0.3s ease, background-color 0.2s ease;
  flex-shrink: 0;
}

.faq-item.is-open .faq-toggle::after {
  transform: rotate(180deg);
  background-color: var(--accent-light);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%232563EB'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3E%3C/svg%3E");
}